package zy;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Scanner;


public class Linkage {
    static Scanner scanner = new Scanner(System.in);

    public static void main(String[] args) {
        System.out.println("云南，黑龙江，上海，天津，北京");
        System.out.println("请选择你所选的省份：");

        while (true){

            HashMap<String, ArrayList<String>> objectObjectHashMap = new HashMap<>();

            ArrayList<String> list = new ArrayList<>();
            list.add("昆明，曲靖，玉溪，保山，昭通，丽江，普洱");
            objectObjectHashMap.put("云南",list);
            String next = scanner.next();
            ArrayList<String> strings = objectObjectHashMap.get(next);
            System.out.println(strings);
            System.out.println("请选择你所在的城市：");

            HashMap<String, ArrayList<String>> objectObjectHashMap1 = new HashMap<>();
            ArrayList<String> list1 = new ArrayList<>();
            boolean add = list1.add("信息登记完毕！");
            objectObjectHashMap1.put("昆明", list1);
            String next1 = scanner.next();
            ArrayList<String> strings1 = objectObjectHashMap1.get(next1);
            System.out.println(strings1);
        }
    }
}
